Abstract
Abstract This study aims to help non-expert geologists in locating, classifying and analyzing lamprophyres, the exotic and complex rocks. The process includes three basic steps, a macroscopic study of the formation, petrographic microscopy and lastly whole-rock and trace element analyses of the samples. Fourteen Greek lamprophyric rocks with distinct characteristics were used. Conventional lamprophyres were considered along with rarer alkali minettes, meta-lamprophyres, lamproschists, appinites and para-lamproites.
Highlights
This study aims to help non-expert geologists in loca ng, classifying and analyzing lamprophyres, the exo c and complex rocks
Greek lamprophyric rocks were used as a case study
We propose a set of indicators under each of the three steps that will help a non-expert to recognize and classify the lamprophyric rocks
Summary
The term lamprophyre, created by the German geologist Wilhelm von Gumbel, comes from the Greek word “lampros” which means glistening. The accepted lamprophyre nomenclature includes the calc-alkaline mine e, kersante, vogesite, spessar te and the alkaline camptonite, sannaite, monchiquite (Le Maitre 2002) Ultramafic lamprophyres such as alnöite, aillikite and damtjernite were later introduced (Tappe et al 2005). Lamprophyric rocks include alkali mine es (lampyrites of Krmíček et al 2020), meta-lamprophyres, lamproschists, appinites (sensu Rock 1991), para-lamproites (sensu Mitchell 2020) or lamproitoids and many local and obsolete varie es. These petrological terms are not IUGS accepted but are included since they are used by several igneous and explora on petrologists
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